FAIRMol

OHD_MAC_49

Pose ID 11255 Compound 589 Pose 412

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T17
T. brucei TR (Doorstop site) T. brucei Doorstop site
Ligand OHD_MAC_49
PDB5S9T

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
46.3 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.50, Jaccard 0.26, H-bond role recall 0.00
Burial
78%
Hydrophobic fit
74%
Reason: strain 46.3 kcal/mol
strain ΔE 46.3 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.699 kcal/mol/HA) ✓ Good fit quality (FQ -6.93) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (78% SASA buried) ✓ Lipophilic contacts well-matched (74%) ✗ Extreme strain energy (46.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-23.056
kcal/mol
LE
-0.699
kcal/mol/HA
Fit Quality
-6.93
FQ (Leeson)
HAC
33
heavy atoms
MW
447
Da
LogP
2.78
cLogP
Strain ΔE
46.3 kcal/mol
SASA buried
78%
Lipo contact
74% BSA apolar/total
SASA unbound
756 Ų
Apolar buried
440 Ų

Interaction summary

HB 9 HY 19 PI 2 CLASH 1
Final rank4.731Score-23.056
Inter norm-0.779Intra norm0.080
Top1000noExcludedno
Contacts17H-bonds9
Artifact reasongeometry warning; 14 clashes; 3 protein clashes; high strain Δ 46.3
Residues
ALA284 ALA363 ARG287 ARG331 ARG361 CYS375 GLY197 GLY286 GLY376 ILE199 LEU332 MET333 PHE198 SER200 SER364 THR374 VAL362

Protein summary

1033 residues
Protein targetT17Atoms15160
Residues1033Chains2
Residue summaryVAL:1536; LEU:1387; LYS:1386; ILE:1064; GLU:900; THR:868; ARG:816; PHE:800; ALA:780; ASN:700; PRO:686; GLY:672; SER:616; TYR:588; ASP:528; MET:408

Receptor context

2 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 2 Excluded HETATM 0
Kept cofactors / ions
A:FAD501 B:FAD501

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5S9TContacts12
PoseOpen native poseHB0
IFP residues
ALA365 ARG228 ARG331 GLY229 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR374 VAL366
Current overlap6Native recall0.50
Jaccard0.26RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue1HB residue recall1.00

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
358 1.0155874823896842 -1.03757 -29.1722 9 19 0 0.00 0.00 - no Open
429 1.2454421783000702 -0.93846 -24.4127 5 19 0 0.00 0.00 - no Open
313 2.885852622249077 -1.01039 -27.4889 13 18 0 0.00 0.00 - no Open
398 2.924227394629478 -0.835383 -20.9815 7 17 0 0.00 0.00 - no Open
352 3.0026657423916276 -0.732155 -19.3364 5 17 0 0.00 0.00 - no Open
380 3.3276613975301435 -0.663488 -20.2658 8 17 0 0.00 0.00 - no Open
445 3.555221163076815 -0.895338 -24.4953 7 23 0 0.00 0.00 - no Open
474 3.58031970662104 -0.827347 -20.0987 7 20 0 0.00 0.00 - no Open
359 3.979795137275888 -0.749907 -21.5576 7 19 0 0.00 0.00 - no Open
449 4.019285786281364 -0.837107 -23.0178 9 20 0 0.00 0.00 - no Open
339 4.480605875198744 -0.932411 -28.9537 15 24 0 0.00 0.00 - no Open
412 4.730901331874943 -0.778603 -23.0559 9 17 6 0.50 0.00 - no Current
374 5.169873192086845 -0.788752 -19.2509 8 18 0 0.00 0.00 - no Open
369 5.306786399993182 -0.810316 -22.4469 16 17 0 0.00 0.00 - no Open
315 6.093306122153872 -0.830242 -14.8988 12 20 0 0.00 0.00 - no Open

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -23.056kcal/mol
Ligand efficiency (LE) -0.6987kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.932
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 447.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.78
Lipinski: ≤ 5
Rotatable bonds 11

Conformational strain (MMFF94s)

Strain energy (ΔE) 46.30kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 121.87kcal/mol
Minimised FF energy 75.57kcal/mol

SASA & burial

✓ computed
SASA (unbound) 756.4Ų
Total solvent-accessible surface area of free ligand
BSA total 592.0Ų
Buried surface area upon binding
BSA apolar 439.8Ų
Hydrophobic contacts buried
BSA polar 152.1Ų
Polar contacts buried
Fraction buried 78.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 74.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6565.5Ų
SASA_nonpolar(complex) − SASA_nonpolar(receptor) − SASA_nonpolar(ligand free). Negative = non-polar surface buried upon binding. Requires full polarity-decomposed SASA computation.
Receptor non-polar SASA 8063.1Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 2079.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)